| 摘要 |
PROBLEM TO BE SOLVED: To enable the shortening of a cycle time and the manufacture of a molded article with stable accuracy by facilitating temperature control because a gear piece can be directly cooled by providing the inside of the gear piece with a groove for fitting a fixed piece, working a water pipe in the fixed piece, and providing an O-ring for preventing water leakage. SOLUTION: In this injection mold which is provided with the gear mold with a molding surface for molding the gear-shaped molded article, the fixed piece is housed in a recess which is provided inside a part corresponding to the thickness of the gear piece, and a water passage is arranged in the fixed piece. In the injection mold with a cooling mechanism 4, the fixed piece 1 is provided inside the gear piece 2. COPYRIGHT: (C)2007,JPO&INPIT
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